GDS Format Guide: VIASINC GDS Training System
Vocational Instruction & Software, Incorporated, 1983
A comprehensive list of the GDS formats taught in the VIASINC Abacus, Amadeus, Apollo, Galileo, Sabre and Worldspan GDS Training Programs. Formats are organized by course and lesson. Each format and variation is listed, along with a short description of the function. When appropriate, lists of modifiers are included. This book can also be used as an on-the-job reference tool.
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